CRA objection guides
Plain-language explainers from a Canadian CPA — what the rules actually say, with the statute cited. Nothing here is legal or tax advice.
Got a CRA reassessment? What to do first
Don't panic, don't ignore it. Read the notice, find the date printed on it, and check your deadline before anything else.
How to file a notice of objection in Canada
The full process: what a valid objection must contain, where to send it (mail, fax, or online), and what happens after you file.
The 90-day objection deadline, explained
When the clock starts, the individual "later of" rule, what counts as Day 0, and what happens if you miss it.
Notice of objection vs. taxpayer relief (Form RC4288)
Two different tracks for two different problems. Filing on the wrong one wastes months — here's how to tell them apart.
Objecting to a GST/HST assessment
GST/HST objections have their own deadline, their own prescribed form (GST159), and their own filing rules. Don't treat them like income tax.